| 摘要 |
<p>After an electron tube is exhausted and sealed, a base (18) is pushed into position on the stem (12) of the tube the space between the stem and the base, at least around one pin (14) of the tube destined to have high voltages applied to it, is filled with a sealing substance; and then the stem and the pins are heated until the sealing substance is at least partially cured by heat from the stem to form a dielectric material (32).</p> |
